27609

Appears in sequences

• Numbers k such that k and 5*k, taken together, are pandigital.at n=22A115925
• a(n) = 2*n^3 - 2*n + 9.at n=23A127989
• Number of nX4 0..2 arrays with each element equal to either the sum mod 3 of its horizontal and vertical neighbors or the sum mod 3 of its diagonal and antidiagonal neighbors.at n=4A183521
• Number of nX5 0..2 arrays with each element equal to either the sum mod 3 of its horizontal and vertical neighbors or the sum mod 3 of its diagonal and antidiagonal neighbors.at n=3A183522
• T(n,k)=Number of nXk 0..2 arrays with each element equal to either the sum mod 3 of its horizontal and vertical neighbors or the sum mod 3 of its diagonal and antidiagonal neighbors.at n=31A183526
• T(n,k)=Number of nXk 0..2 arrays with each element equal to either the sum mod 3 of its horizontal and vertical neighbors or the sum mod 3 of its diagonal and antidiagonal neighbors.at n=32A183526
• n^3 + 4*n^2 - 5*n + 1.at n=29A241577
• a(n) = ceiling(n^3*(Pi/2)).at n=25A248198
• Numbers n such that the decimal number concat(7,n) is a square.at n=33A273362
• Expansion of 1/(1 - x/(1 - x^8/(1 - x^27/(1 - x^64/(1 - x^125/(1 - x^216/(1 - ... - x^(n^3)/(1 - ...)))))))), a continued fraction.at n=54A291146